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#1
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289 or a big block?
My mustang currently has a 289 in it and I was wondering how hard a big
block conversion would be or if I should just build the 289? thanks |
#2
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"mtdubvee" > wrote in message ups.com... > My mustang currently has a 289 in it and I was wondering how hard a big > block conversion would be or if I should just build the 289? thanks > It's not that hard, but it will cost you. I did the same thing with myh 68 fastback--took a 289 car and put a 390 in it. If you check my website, http://www.tucsonpony.com/Trouble you'll see what I had to do. Basically, change motor mounts, put in shock tower supports, change brackets, suspension, etc. Nothing that's really difficult, of course, but you want to make a thorough change so that the car will support and handle the weight of the big block properly. For example, I went with the Edelbrock Performer RPM intake and lightened the front end quite a bit that way. I also moved the battery to the trunk to offset the heavy nose. The more you can do to lighten the load, the better off you will be in terms of handling. -------------- Laurie S. Thunder Snake #7 |
#3
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"mtdubvee" > wrote in message
ups.com... > My mustang currently has a 289 in it and I was wondering how hard a big > block conversion would be or if I should just build the 289? thanks I have a '68 coupe with a 289 2V that I am wrestling with that question, too. What year is yours? My mechanic said that the timing chain is getting bad on mine, and it's got almost 100,000 miles so I believe that the motor is really due for a rebuild. A racing shop in town says that they can put a stroker kit into the 289 and do a performance build for about $3900 giving me around 300 horsepower at the rear wheel. Not bad at all... But for $5900 I can get a 460 with 550 HP and 545 ft/lbs at http://www.fordracingparts.com/parts...tKeyField=6587. Of course, that means that I need to showhorn a C6 transmission in and then swap the rear for a 31-spline 9" so it's going to be really expensive by the time all is said and done. I have also thought about getting a cheap rebuilt motor from he http://www.rebuilt-auto-engines.com/...02105595755.f6 but again that would mean a C6 and a 9" rear end, so it would not be cheap. This would allow me to at least get a big block in, then I could build the engine in less expensive stages. By the way, Crites has the parts you need at http://www.critesrestoration.com/mustang.htm. Thomas |
#4
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Thomas Cameron wrote:
> I have a '68 coupe with a 289 2V that I am wrestling with that question, > too. =A0What year is yours? =A0My mechanic said that the timing chain is getting > bad on mine, and it's got almost 100,000 miles so I believe that the motor > is really due for a rebuild. =A0A racing shop in town says that they can put a > stroker kit into the 289 and do a performance build for about $3900 giving > me around 300 horsepower at the rear wheel. =A0Not bad at all... =A0But for > $5900 I can get a 460 with 550 HP and 545 ft/lbs at > http://www.fordracingparts.com /parts/part_details.asp?PartKe yField=3D6587. =A0Of > course, that means that I need to showhorn a C6 transmission in and then > swap the rear for a 31-spline 9" so it's going to be really expensive by the > time all is said and done. That is an acute case of the "might-as-wells," going from an ailing timing chain (a one-day, $100 job) to a 460/C6/31 spline 9". :-) My idea for a low bux package is to start with a cheapo 302 short block with forged pistons and 9:1 CR, then add a centrifugal blower. I'd use a carb and one of these "hat" things. http://www.sd-concepts.com/Carbhathats.htm This combo would run $4500-5000, and would produce 400 rwhp -- more than enough for a '65 Mustang -- without destroying the handling like a big block will do. 180 Out |
#5
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It has been suggested in some circles to do a 347 stroker kit with the
289 rather than a total swap. Just a thought. On 2 May 2005 20:13:16 -0700, "mtdubvee" > wrote: >My mustang currently has a 289 in it and I was wondering how hard a big >block conversion would be or if I should just build the 289? thanks Hey! Spikey Likes IT! 1965 Ford Mustang fastback 2+2 A Code 289 C4 Trac-Lok Vintage Burgundy w/Black Standard Interior Vintage 40 Wheels 16X8" w/BF Goodrich Comp T/A Radial 225/50ZR16 |
#6
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"Spike" > wrote in message
... > It has been suggested in some circles to do a 347 stroker kit with the > 289 rather than a total swap. Just a thought. Can you actually do the 347 on a 289? Prewitt Racing here in Austin said that the 289 stroked was 331 (which I'd never heard). Thomas |
#7
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It's what I was advised to do rather than swap for a 351. I have done
neither, so I can't say first hand. But it does seem that I have read in the kit description in one of the many catalogs (Ford Racing, Summit, Jegs, etc) that it can be done. I would be doing a lot of investigation and consulting engine shops (more than one) before making the move. On Tue, 03 May 2005 05:34:38 GMT, "Thomas Cameron" > wrote: >"Spike" > wrote in message .. . >> It has been suggested in some circles to do a 347 stroker kit with the >> 289 rather than a total swap. Just a thought. > >Can you actually do the 347 on a 289? Prewitt Racing here in Austin said >that the 289 stroked was 331 (which I'd never heard). > >Thomas > Hey! Spikey Likes IT! 1965 Ford Mustang fastback 2+2 A Code 289 C4 Trac-Lok Vintage Burgundy w/Black Standard Interior Vintage 40 Wheels 16X8" w/BF Goodrich Comp T/A Radial 225/50ZR16 |
#8
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"Thomas Cameron" > wrote > Can you actually do the 347 on a 289? Prewitt Racing here in Austin said > that the 289 stroked was 331 (which I'd never heard). I can see 331, but I don't think there's enough deck to do a 347. I think the assembled height would be too tall (barely). -- Scott W. '66 HCS Mustang 289 '68 Ranchero 500 302 '69 Mustang Sportsroof 351W ThunderSnake #57 http://home.comcast.net/~vanguard92/ |
#9
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No disagreement. Like I said, it was suggested to me, but I didn't go
that route. My 289 is rebuilt as the 289 A Code it was in the beginning. On Tue, 3 May 2005 14:33:41 -0600, "66 6F HCS" > wrote: > >"Thomas Cameron" > wrote >> Can you actually do the 347 on a 289? Prewitt Racing here in Austin said >> that the 289 stroked was 331 (which I'd never heard). > >I can see 331, but I don't think there's enough deck to do a 347. I think >the assembled height would be too tall (barely). Hey! Spikey Likes IT! 1965 Ford Mustang fastback 2+2 A Code 289 C4 Trac-Lok Vintage Burgundy w/Black Standard Interior Vintage 40 Wheels 16X8" w/BF Goodrich Comp T/A Radial 225/50ZR16 |
#10
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I just checked the Ford Racing engine listing and it lists :
Stroker Short Block (www.cjponyparts.com) 2 bolt 302 HD Sportsman Block in either 342 (M6009A342) $2499.95 347 (M6009A347) $2499.95 302 Stroker Kits (www.cjponyparts.com) fitting 1983-00 302 blocks w/ 1 piece rear seal -342 CID Standard Bore $724.95 -347 CID .030" Over $1099.95 -Forged 347 CID $1694.95 As for rebuilds (www.cjponyparts.com) -65-67 289 $2099.95* -68-74 302 $1799.95* -69-73 351W $2349.95* * plus core and freight Of course, there is the 5.0L Cammer Modular Engine for a paltry $14,449.95. On Tue, 3 May 2005 14:33:41 -0600, "66 6F HCS" > wrote: > >"Thomas Cameron" > wrote >> Can you actually do the 347 on a 289? Prewitt Racing here in Austin said >> that the 289 stroked was 331 (which I'd never heard). > >I can see 331, but I don't think there's enough deck to do a 347. I think >the assembled height would be too tall (barely). Hey! Spikey Likes IT! 1965 Ford Mustang fastback 2+2 A Code 289 C4 Trac-Lok Vintage Burgundy w/Black Standard Interior Vintage 40 Wheels 16X8" w/BF Goodrich Comp T/A Radial 225/50ZR16 |
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